<template>
  <router-view></router-view>
</template>

<script setup lang="ts">
import Son from "./components/Son.vue";

const SonRef = ref<InstanceType<typeof Son> | null>(null);

async function changeHandler(params: number) {
  console.log(params, SonRef.value?.ljj);
}
</script>

<style scoped></style>
